New & Used 2026 Mercedes-Benz SL-Class for Sale near Illinois

Is the 2026 Mercedes-Benz SL-Class a good car?

The 2026 Mercedes-Benz SL-Class earns a 7.5/10 expert rating. The model scores 9/10 across Look and feel and Performance.

It’s a luxurious convertible that’s easy to live with, and it brings multiple powertrain choices plus a comfortable cabin to a segment with limited options. The trade-offs are worth weighing: the transmission can be irritating, and the lack of physical controls may frustrate you if you prefer more tactile operation.

With 31.9% of listings priced as good or great deals, you have some room to shop selectively.

Is the 2026 Mercedes-Benz SL-Class reliable?

The SL is presented as a complex luxury convertible that blends serious performance with everyday usability, and its powertrain lineup spans everything from a turbo-four to a high-output plug-in hybrid V8. The performance notes also point to strong body control and quick responses, especially in the Maybach model, which adds softer tuning for ride comfort without giving up composure.

Mercedes also includes a useful maintenance perk on the Maybach model: the first scheduled maintenance visit is on the house.

For used buyers, the long-term ownership risk is that this is still a sophisticated, high-end car, so repairs and upkeep can become expensive if you buy a poorly maintained example.

What should I look for when buying a used 2026 Mercedes-Benz SL-Class?

Accident-free inventory is excellent at 97.1% — clean inventory, standard diligence applies.

You should still run a history report and prioritize a pre-purchase inspection, especially on a car with this much technology and performance hardware. Focus on how the transmission behaves, whether the cabin controls feel intuitive to you, and whether the car’s condition matches its luxury positioning.

Key things to evaluate:

• Trim level: The lineup spans AMG SL 43, AMG SL 55, AMG SL 63, AMG SL 63 S E Performance, and Maybach SL 680 Monogram Series. The base AMG SL 43 is the least expensive way in, while the Maybach model adds the most luxury-focused presentation and is the best-value pick if you want the richest experience without building the car up through options.
• Powertrain: You get a 2.0-liter turbocharged inline-four in the AMG SL 43, twin-turbocharged 4.0-liter V8 power in the AMG SL 55 and AMG SL 63, and a plug-in hybrid V8 setup in the AMG SL 63 S E Performance. The Maybach SL 680 uses the 577-hp engine with AWD, plus rear-axle steering and an active anti-roll system.
• Safety package: Standard equipment includes automatic emergency braking, forward-collision warning, blind spot monitors, safe-exit assist, lane-keep assist, parking assist, Pre-Safe, and a surround-view camera. Adaptive cruise control is optional, and it adds stop-and-go functionality plus automatic speed-limit adjustment.
• Infotainment: Standard tech includes a 12.3-inch digital instrument cluster, an 11.9-inch touchscreen, wireless Apple CarPlay, wireless Android Auto, and natural-language voice recognition. Optional upgrades include a head-up display, dashcam, augmented reality navigation, and an AMG Track Pack.
• Fuel efficiency: The AMG SL 43 is rated at 22 mpg combined, while the V8 models are rated at 16 mpg combined. Mercedes estimates 29 mpg combined for the AMG SL 63 S E Performance, and the Maybach model loses 1 mpg in the city and highway categories.

Which 2026 Mercedes-Benz SL-Class trim should I buy?

The 2026 Mercedes-Benz SL-Class is offered in 5 trim levels: AMG SL 43, AMG SL 55, AMG SL 63, AMG SL 63 S E Performance, and Maybach SL 680 Monogram Series.

Here's the short version:

• AMG SL 43: This is the entry point, and it gives you the SL experience with the turbo-four, rear-wheel drive, and the lowest starting price. It makes the most sense if you want the badge and style without jumping into V8 pricing.
• AMG SL 55: This is the first V8 model and adds all-wheel drive plus a big jump in torque and straight-line pace. It’s the logical step up if you want stronger performance without going all the way to the top of the range.
• AMG SL 63: This trim keeps the V8 and AWD formula but turns the performance up further. It suits you if you want the quickest non-hybrid SL and are willing to pay for the extra output.
• AMG SL 63 S E Performance: This is the extreme performance choice, with the plug-in hybrid V8, the highest output, and extra chassis hardware. Buy it if outright speed is your priority.
• Maybach SL 680 Monogram Series: This is the luxury-focused choice and the best-value trim in the lineup if you want the most complete experience. It adds Maybach-specific comfort tuning and a more bespoke feel, making it the one to target if you care more about refinement than maximum performance.

The safety package is standard across the lineup, while adaptive cruise control remains optional.

Is now a good time to buy a used 2026 Mercedes-Benz SL-Class?

The market looks moderate, so you can shop selectively rather than rushing into the first car you see.

• Deal availability: 31.9% of listings are priced as good or great deals.
• Inventory: There are 69 listings available.
• Clean inventory: 97.1% of listings are accident-free.

Is the 2026 Mercedes-Benz SL-Class safe?

The SL-Class’s safety ratings from IIHS and NHTSA weren’t available at the time of writing.

It earns a 7/10 safety score from our experts.

Standard driver-assistance features include automatic emergency braking, forward-collision warning, blind spot monitors, safe-exit assist, lane-keep assist, parking assist, Pre-Safe, and a surround-view camera. Adaptive cruise control is optional, and it adds stop-and-go capability along with automatic speed-limit adjustment. There are also steering-assist features for evasive maneuvers and lane changes, plus traffic-sign recognition.

Should I buy a 2026 Mercedes-Benz SL-Class or consider a different year?

If you're weighing the 2026 against nearby model years, here's how to think about it:

Choose the 2026 if:

• 31.9% of listings are priced as good or great deals.
• Accident-free inventory is excellent at 97.1% — clean inventory, standard diligence applies.
• The 2026 lineup adds the ultra-luxury Maybach SL 680 Monogram Series, which broadens the SL’s appeal beyond the AMG models.

The bottom line: If you want the newest SL with the broadest lineup and the added appeal of the Maybach model, the 2026 is the one to target. If you’re shopping mainly on price, a nearby model year may still make sense, but the 2026 gives you the most complete version of this generation’s formula.

These recommendations are based on CarGurus' proprietary market data from September 15, 2026, CarGurus experts' opinions, and generative AI.